{
 "code_insee": "91129",
 "nom": "Cerny",
 "departement": "91",
 "annee_reference": 2025,
 "prix_m2_median": 2839,
 "prix_m2_median_appartement": 3333,
 "prix_m2_median_appartement_yoy_pct": 20.2,
 "prix_m2_median_maison": 2791,
 "prix_m2_median_maison_yoy_pct": 4.1,
 "prix_vente_median": 240600,
 "ventes_annee_reference": 46,
 "ventes_5_ans": 205,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 45,
  "prix_m2_median": 2695,
  "prix_m2_median_appartement": 2886,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 2570,
  "prix_m2_median_maison_yoy_pct": -8
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 1985,
   "apt_n": 2,
   "maison": 3256,
   "maison_n": 24
  },
  {
   "annee": 2022,
   "apt": 3444,
   "apt_n": 8,
   "maison": 2937,
   "maison_n": 26
  },
  {
   "annee": 2023,
   "apt": 2980,
   "apt_n": 12,
   "maison": 3097,
   "maison_n": 31
  },
  {
   "annee": 2024,
   "apt": 2772,
   "apt_n": 2,
   "maison": 2680,
   "maison_n": 35
  },
  {
   "annee": 2025,
   "apt": 3333,
   "apt_n": 9,
   "maison": 2791,
   "maison_n": 37
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": 3621,
    "n": 1
   },
   {
    "band": "30-60 m²",
    "median": 3659,
    "n": 5
   },
   {
    "band": "60-90 m²",
    "median": 2767,
    "n": 5
   },
   {
    "band": "90-120 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "120 m² et +",
    "median": null,
    "n": 0
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": 2000,
    "n": 3
   },
   {
    "band": "30-60 m²",
    "median": 3898,
    "n": 4
   },
   {
    "band": "60-90 m²",
    "median": 3041,
    "n": 30
   },
   {
    "band": "90-120 m²",
    "median": 2705,
    "n": 22
   },
   {
    "band": "120 m² et +",
    "median": 2125,
    "n": 13
   }
  ]
 },
 "est_hub_arrondissements": false,
 "arrondissements": null,
 "source": {
  "dataset": "Demandes de valeurs foncières (DVF), DGFiP",
  "url": "https://www.data.gouv.fr/fr/datasets/demandes-de-valeurs-foncieres/",
  "licence": "Licence Ouverte 2.0",
  "methodologie": "https://foncierdata.fr/methodologie"
 },
 "page": "https://foncierdata.fr/prix-immobilier/91129-cerny"
}